Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HA

Hiroshi Akema — 16 Patents

JSJsr: 13 patents #53 of 1,137Top 5%
TCTohoku Ricoh Co.: 2 patents #69 of 204Top 35%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
Ricoh Company: 1 patents #6,943 of 9,818Top 75%
Tokyo, JP: #9,687 of 90,295 inventorsTop 15%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Hiroshi Akema has been granted 16 US patents while listed as an inventor at Jsr. The first was granted in 2000 and the most recent in May 2012. Hiroshi Akema ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Hiroshi Akema in Tokyo, JP.

Patents per Year

Patents granted per year, 2000 to 2012Bar chart with a peak of 5 patents in 2003.peak 52000: 1 patents20002001: 1 patents20012002: 2 patents20022003: 5 patents20032004: 3 patents20042005: 2 patents20052009: 1 patents20092012: 1 patents2012

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
8186665 Locking device of paper feed tray and image forming apparatus 2012-05-29
7537028 Device for fluid processor and its fluid flow path setting device, fluid processor, and fluid processing method Tsuyoshi Yamakoshi 2009-05-26
6977286 Crosslinked rubber particles and rubber compositions Tomohisa Konno, Toshihiro Tadaki, Yoshiyuki Udagawa 2005-12-20
6838526 Modified conjugated diene polymer and method of producing the same and rubber composition Takuo Sone, Ryouji Tanaka, Kouichirou Tani, Iwakazu Hattori, Atsushi Nakayama 2005-01-04
6747095 Crosslinked rubber particles and rubber compositions Tomohisa Konno, Toshihiro Tadaki, Yoshiyuki Udagawa 2004-06-08
6740700 Rubber compositions and methods for producing the same Naokazu Kobayashi, Toshihiro Tadaki 2004-05-25
6699935 Rubber composition Toshihiro Tadaki, Yoshiyuki Udagawa, Tomohisa Konno, Takafumi Fueki, Hajime Kondou 2004-03-02
6653404 Rubber compositions Tomohisa Konno, Toshihiro Tadaki, Yoshiyuki Udagawa 2003-11-25
6603946 Image forming apparatus for synthetic resin sheets Haruki Morikawa, Masamune Koyanagi, Noboru Onodera 2003-08-05
6559219 Rubber compositions Toshihiro Tadaki, Tomohisa Konno, Yoshiyuki Udagawa 2003-05-06
6556803 Image forming apparatus for synthetic resin sheets Noboru Onodera, Haruki Morikawa 2003-04-29
6518350 Rubber composition and tire Naokazu Kobayashi, Toshihiro Tadaki, Syuji Nishibata 2003-02-11
6362272 Oil extended rubber and rubber composition Toshihiro Tadaki, Naokazu Kobayashi 2002-03-26
6344518 Conjugated diolefin copolymer rubber and rubber composition Naokazu Kobayashi, Toshihiro Tadaki 2002-02-05
6191234 Conjugated diolefin-based copolymer rubber and composition thereof Toshihiro Tadaki, Tamotsu Nagaoka, Iwakazu Hattori 2001-02-20
6127472 Rubber composition Naokazu Kobayashi, Toshihiro Tadaki, Fumio Tsutsumi 2000-10-03